EP0144449A4 - Method and apparatus of modulating digital data and of demodulating. - Google Patents
Method and apparatus of modulating digital data and of demodulating.Info
- Publication number
- EP0144449A4 EP0144449A4 EP19840902369 EP84902369A EP0144449A4 EP 0144449 A4 EP0144449 A4 EP 0144449A4 EP 19840902369 EP19840902369 EP 19840902369 EP 84902369 A EP84902369 A EP 84902369A EP 0144449 A4 EP0144449 A4 EP 0144449A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- demodulating
- digital data
- modulating digital
- modulating
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M5/00—Conversion of the form of the representation of individual digits
- H03M5/02—Conversion to or from representation by pulses
- H03M5/04—Conversion to or from representation by pulses the pulses having two levels
- H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T82/00—Turning
- Y10T82/10—Process of turning
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T82/00—Turning
- Y10T82/13—Pattern section
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T82/00—Turning
- Y10T82/25—Lathe
- Y10T82/2502—Lathe with program control
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Dc Digital Transmission (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Numerical Control (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84902369T ATE100961T1 (en) | 1983-06-17 | 1984-06-15 | METHOD AND APPARATUS FOR MODULATING DIGITAL DATA AND FOR DEMODULATING. |
MYPI87002616A MY101486A (en) | 1983-06-17 | 1987-09-30 | Methods of modulating digital data |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP108697/83 | 1983-06-17 | ||
JP58108697A JPS601956A (en) | 1983-06-17 | 1983-06-17 | Modulating method of digital data |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0144449A1 EP0144449A1 (en) | 1985-06-19 |
EP0144449A4 true EP0144449A4 (en) | 1987-10-26 |
EP0144449B1 EP0144449B1 (en) | 1994-01-26 |
Family
ID=14491341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84902369A Expired - Lifetime EP0144449B1 (en) | 1983-06-17 | 1984-06-15 | Method and apparatus of modulating digital data and of demodulating |
Country Status (6)
Country | Link |
---|---|
US (3) | US4564914A (en) |
EP (1) | EP0144449B1 (en) |
JP (1) | JPS601956A (en) |
AU (1) | AU569903B2 (en) |
DE (1) | DE3486269T2 (en) |
WO (1) | WO1985000067A1 (en) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6151203A (en) * | 1984-08-18 | 1986-03-13 | Fanuc Ltd | Numerical control system |
FR2585905B1 (en) * | 1985-08-02 | 1987-09-25 | Telediffusion Fse | METHOD FOR BASIC BAND MODULATION OF A DATA SIGNAL, CORRESPONDING MODULATION APPARATUS AND DEMODULATION APPARATUS |
JPS62163109A (en) * | 1986-01-14 | 1987-07-18 | Mitsubishi Electric Corp | Numerical controller |
US4862777A (en) * | 1986-03-05 | 1989-09-05 | Honda Giken Kogyo Kabushiki Kaisha | Method and apparatus for forming surfaces on piston rings |
JPS62264307A (en) * | 1986-05-13 | 1987-11-17 | Fanuc Ltd | Normal line vector arithmetic method |
US4989316A (en) * | 1987-03-09 | 1991-02-05 | Gerber Scientific Products, Inc. | Method and apparatus for making prescription eyeglass lenses |
WO1988008346A1 (en) * | 1987-04-24 | 1988-11-03 | Innofinance Általános Innovációs Pénzintézet | Method and working machine for producing surfaces of non-circular but regular cross-sections |
DE3828594C2 (en) * | 1987-08-24 | 2002-04-25 | Toshiba Machine Co Ltd | Numerically controlled machine tool and method for controlling the grinding process carried out with it |
US4866643A (en) * | 1987-10-09 | 1989-09-12 | Brown & Sharpe Manufacturing Company | Method for automatic compensation of probe offset in a coordinate measuring machine |
JPH01141436A (en) * | 1987-11-27 | 1989-06-02 | Sony Corp | Frame synchronizing method |
JPH077296B2 (en) * | 1988-04-05 | 1995-01-30 | 豊田工機株式会社 | Numerical controller for machining non-round workpieces |
US5067284A (en) * | 1988-09-12 | 1991-11-26 | Ex-Cell-O Gmbh | Machine tool |
JPH06104293B2 (en) * | 1989-01-30 | 1994-12-21 | 豊田工機株式会社 | Non-roundness control device |
US5221306A (en) * | 1989-12-29 | 1993-06-22 | At&T Bell Laboratories | Method and apparatus for modifying the transverse cross section of a body |
JP2767960B2 (en) * | 1990-02-28 | 1998-06-25 | 松下電器産業株式会社 | Inspection method and inspection apparatus for recording medium and inspection method for recording / reproducing apparatus |
JP3030046B2 (en) * | 1990-03-22 | 2000-04-10 | 豊田工機株式会社 | Non-roundness generating device |
JPH04129602A (en) * | 1990-09-20 | 1992-04-30 | Toyoda Mach Works Ltd | Non-roundness generating device |
US5210695A (en) * | 1990-10-26 | 1993-05-11 | Gerber Optical, Inc. | Single block mounting system for surfacing and edging of a lens blank and method therefor |
JPH04225625A (en) * | 1990-12-27 | 1992-08-14 | Sony Corp | Digital modulation system |
EP0511814A1 (en) * | 1991-05-01 | 1992-11-04 | British United Shoe Machinery Limited | Controlling the progressive operation of a tool along a predetermined path |
KR960013170B1 (en) * | 1992-12-03 | 1996-09-30 | 미쯔시다덴기산교 가부시기가이샤 | Processing apparatus with movable processing tool |
FR2749527B1 (en) * | 1996-06-06 | 1998-07-17 | Const Mecaniques Des Vosges | METHODS FOR MACHINING MECHANICAL PARTS, PARTICULARLY COMPLEX PARTS |
DE19624722A1 (en) * | 1996-06-21 | 1998-01-08 | Iprotec Masch & Edelstahlprod | Method and device for producing inner and / or outer contours deviating from the circular shape |
AUPO876897A0 (en) * | 1997-08-25 | 1997-09-18 | Anca Pty Ltd | An improved clamping device and method of operation for a cnc machine |
US6367359B1 (en) * | 1998-11-18 | 2002-04-09 | Ronald P. Ropos | Boring and contouring apparatus |
JP2001132627A (en) * | 1999-11-04 | 2001-05-18 | Sanden Corp | Chamfering method of swash plate of swash plate compressor |
DE10351536B4 (en) * | 2003-11-03 | 2009-12-24 | Carl Freudenberg Kg | Surface cleaning device |
JP4451381B2 (en) * | 2005-12-02 | 2010-04-14 | ヤマザキマザック株式会社 | NC machining program creation method and NC machining program creation device of NC machining apparatus |
DE102006022831A1 (en) * | 2006-05-16 | 2007-11-22 | Siemens Ag | Method of controlling a grinding machine and numerically controlled grinding machine |
US20100030365A1 (en) * | 2008-07-30 | 2010-02-04 | Pratt & Whitney | Combined matching and inspection process in machining of fan case rub strips |
US20110185529A1 (en) * | 2010-01-08 | 2011-08-04 | Freudenberg Household Products Lp | Cleaning implement |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3623041A (en) * | 1969-07-22 | 1971-11-23 | Ibm | Method and apparatus for encoding and decoding digital data |
US4027335A (en) * | 1976-03-19 | 1977-05-31 | Ampex Corporation | DC free encoding for data transmission system |
DE2828219A1 (en) * | 1978-06-28 | 1980-01-10 | Bosch Gmbh Robert | METHOD FOR RECORDING AND PLAYING BACK DIGITAL DATA ON MAGNETIC STORAGE |
FR2438391A1 (en) * | 1978-10-05 | 1980-04-30 | Ampex | APPARATUS FOR SELF-RHYTHMIC TRANSMISSION OF BINARY DATA WITH CONTINUOUS COMPONENT DELETION |
FR2438388A1 (en) * | 1978-10-05 | 1980-04-30 | Amp Inc | ENCODING APPARATUS WITH LIMITED PREDICTION MEANS FOR THE TRANSMISSION OF BINARY DATA WITHOUT CONTINUOUS COMPONENT |
EP0019821A2 (en) * | 1979-05-31 | 1980-12-10 | Licentia Patent-Verwaltungs-GmbH | Method and device for transmitting a binary sequence |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1954845B2 (en) * | 1969-10-31 | 1977-12-29 | Gildemeister Ag, 4800 Bielefeld | DEVICE FOR OPTIMAL ADAPTATION OF A NUMERICALLY CONTROLLED MACHINE TOOL TO THE PROCESSING OF A WORKPIECE |
US3698268A (en) * | 1970-08-07 | 1972-10-17 | Bendix Corp | Numerical control system for interrupted cutting conditions |
JPS5424156B1 (en) * | 1971-02-03 | 1979-08-18 | ||
US3875382A (en) * | 1973-07-26 | 1975-04-01 | Hymie Cutler | Path generating apparatus and method particularly for generating a two-lobed epitrochoid contour |
FR2267584B1 (en) * | 1974-04-11 | 1978-01-13 | Renault | |
US4033206A (en) * | 1974-07-11 | 1977-07-05 | Daihatsu Motor Co., Ltd. | Numerically controlled machine tool |
JPS51119482A (en) * | 1975-04-09 | 1976-10-20 | Dainichi Kinzoku Kogyo Kk | Program control method for cutting and processing machine |
US4135238A (en) * | 1976-01-26 | 1979-01-16 | Hamill Company, Inc. | Numerically controlled machine tool system |
USRE31311E (en) * | 1976-03-19 | 1983-07-12 | Ampex Corporation | DC Free encoding for data transmission system |
DE2732354C3 (en) * | 1977-07-18 | 1981-09-10 | Goetze Ag, 5093 Burscheid | Lathe for non-circular machining, in particular of piston rings |
JPS5467280A (en) * | 1977-11-08 | 1979-05-30 | Toyoda Mach Works Ltd | Numerical control unit for controlling the processing of a nonround work |
DE2908383A1 (en) * | 1979-03-03 | 1980-09-04 | Goetze Ag | DEVICE FOR THE CIRCULAR MACHINING OF UNROUND WORKPIECES, IN PARTICULAR PISTON RINGS |
DE2918249A1 (en) * | 1979-05-05 | 1980-11-06 | Goetze Ag | MACHINE FOR PREFERABLY CHANGING CIRCULAR MACHINING OF UNCIRCULAR WORKPIECES, IN PARTICULAR PISTON RINGS |
FR2460522A1 (en) * | 1979-07-02 | 1981-01-23 | Cii Honeywell Bull | METHOD AND DEVICE FOR DIGITAL MAGNETIC RECORDING WITH HIGH FREQUENCY POLARIZATION |
US4250551A (en) * | 1979-07-11 | 1981-02-10 | Giddings & Lewis, Inc. | Methods and apparatus for lead segment machining |
JPS5690407A (en) * | 1979-12-20 | 1981-07-22 | Sony Corp | Encoding circuit |
JPS56160164A (en) * | 1980-05-10 | 1981-12-09 | Sony Corp | Modulating method of digital signal |
NL8003474A (en) * | 1980-06-16 | 1982-01-18 | Philips Nv | METHOD FOR CODING DATA BITS ON A RECORD CARRIER, DEVICE FOR CARRYING OUT THE METHOD AND RECORD CARRIER EQUIPPED WITH AN INFORMATION STRUCTURE. |
NL8003476A (en) * | 1980-06-16 | 1982-01-18 | Philips Nv | METHOD FOR CODING DATA BITS ON A RECORD CARRIER, DEVICE FOR CARRYING OUT THE METHOD, RECORD CARRIER EQUIPPED WITH AN INFORMATION STRUCTURE AND DEVICE FOR DECODING THE RECORDED READERS. |
US4365301A (en) * | 1980-09-12 | 1982-12-21 | The United States Of America As Represented By The United States Department Of Energy | Positional reference system for ultraprecision machining |
US4495528A (en) * | 1981-07-10 | 1985-01-22 | Victor Company Of Japan, Ltd. | Magnetic reproducing system for a digital signal |
-
1983
- 1983-06-17 JP JP58108697A patent/JPS601956A/en active Granted
- 1983-07-28 US US06/523,197 patent/US4564914A/en not_active Expired - Fee Related
-
1984
- 1984-06-15 AU AU30630/84A patent/AU569903B2/en not_active Expired
- 1984-06-15 US US06/705,345 patent/US4672363A/en not_active Ceased
- 1984-06-15 EP EP84902369A patent/EP0144449B1/en not_active Expired - Lifetime
- 1984-06-15 WO PCT/JP1984/000312 patent/WO1985000067A1/en active IP Right Grant
- 1984-06-15 DE DE84902369T patent/DE3486269T2/en not_active Expired - Fee Related
-
1989
- 1989-06-06 US US07/362,159 patent/USRE33356E/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3623041A (en) * | 1969-07-22 | 1971-11-23 | Ibm | Method and apparatus for encoding and decoding digital data |
US4027335A (en) * | 1976-03-19 | 1977-05-31 | Ampex Corporation | DC free encoding for data transmission system |
DE2828219A1 (en) * | 1978-06-28 | 1980-01-10 | Bosch Gmbh Robert | METHOD FOR RECORDING AND PLAYING BACK DIGITAL DATA ON MAGNETIC STORAGE |
FR2438391A1 (en) * | 1978-10-05 | 1980-04-30 | Ampex | APPARATUS FOR SELF-RHYTHMIC TRANSMISSION OF BINARY DATA WITH CONTINUOUS COMPONENT DELETION |
FR2438388A1 (en) * | 1978-10-05 | 1980-04-30 | Amp Inc | ENCODING APPARATUS WITH LIMITED PREDICTION MEANS FOR THE TRANSMISSION OF BINARY DATA WITHOUT CONTINUOUS COMPONENT |
EP0019821A2 (en) * | 1979-05-31 | 1980-12-10 | Licentia Patent-Verwaltungs-GmbH | Method and device for transmitting a binary sequence |
Non-Patent Citations (2)
Title |
---|
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 21, no. 1, June 1978, pages 361-362, New York, US; D.M. TAUB: "Elimination of DC component in MFM-type codes" * |
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 24, no. 4, September 1981, pages 2055-2056, New York, US; G.R. FRAZIER: "Improved modified frequency modulation code" * |
Also Published As
Publication number | Publication date |
---|---|
DE3486269T2 (en) | 1994-05-05 |
JPH0446017B2 (en) | 1992-07-28 |
AU569903B2 (en) | 1988-02-25 |
EP0144449A1 (en) | 1985-06-19 |
USRE33356E (en) | 1990-09-25 |
US4564914A (en) | 1986-01-14 |
EP0144449B1 (en) | 1994-01-26 |
AU3063084A (en) | 1985-01-11 |
US4672363A (en) | 1987-06-09 |
WO1985000067A1 (en) | 1985-01-03 |
JPS601956A (en) | 1985-01-08 |
DE3486269D1 (en) | 1994-03-10 |
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Legal Events
Date | Code | Title | Description |
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